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Glacier Bay & Icy Strait

Maltease – Residency

25th sighting in Glacier Bay & Icy Strait
Fluke of Maltease
Maltease Confirmed in the catalog @16852
May 15 – Jul 22, 2026 · Glacier Bay & Icy Strait

Glacier Bay, Herring-Fat Summer

Cold green water, thick bait, boats full of familiar faces every week.

100 m
Deepest dive
3:47
Longest dive
95
Dives
Sightings
8
Days between first and last sighting
67

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
May 15, 202648 m7.7°C40 m
May 16, 202659 m7.8°C21 m
May 20, 2026110 m7.9°C100 m
Jun 12, 2026391 m10.0°C38 m
Jun 16, 202632 m9.5°C24 m
Jun 17, 2026403 m9.6°C80 m
Jul 20, 2026110 m13.0°C45 m
Jul 22, 2026436 m13.2°C90 m

Seafloor and sea temperature measured · ✳ dives modelled

Activity map — real sighting points on an OpenStreetMap basemap © OpenStreetMap contributors

Deepest dive against the seafloor, per sighting

Seafloor · measured Deepest dive · modelled
May 15, 2026 — seafloor 48 m (measured), deepest dive 40 m (modelled)May 15May 16, 2026 — seafloor 59 m (measured), deepest dive 21 m (modelled)May 16May 20, 2026 — seafloor 110 m (measured), deepest dive 100 m (modelled)May 20Jun 12, 2026 — seafloor 391 m (measured), deepest dive 38 m (modelled)Jun 12Jun 16, 2026 — seafloor 32 m (measured), deepest dive 24 m (modelled)Jun 16Jun 17, 2026 — seafloor 403 m (measured), deepest dive 80 m (modelled)Jun 17Jul 20, 2026 — seafloor 110 m (measured), deepest dive 45 m (modelled)Jul 20Jul 22, 2026 — seafloor 436 m (measured), deepest dive 90 m (modelled)Jul 22

Depth runs down from the surface. The modelled dive never passes the measured seafloor at that sighting.

Dives

100 m
Deepest dive
3:47
Longest dive
95
Dives
23 m
Avg dive depth
8
Sightings
67
Days first → last

Dive metrics are modelled within real depth limits — not measured

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Dive profile

modelled
050100100 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (110 m) and the published dive-behaviour distribution. Modelled, not measured.

Deep Effort Score

Deep

Depth, duration and recovery resolved into a single number for this session.

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Place

Where this happened · May 20, 2026

measured
Seafloor depth
110 m
Sea-surface temperature
7.9°C
Distance from shore
2.0 km

Across the residency · 8 sightings

measured
Seafloor depth
32 m – 436 m
Sea-surface temperature
7.7°C – 13.2°C
Distance from shore
1.0 km – 2.0 km

Sources: GEBCO seafloor grid · NASA JPL MUR sea temperature · PacIOOS coastline distance

Activity map — real sighting points on an OpenStreetMap basemap © OpenStreetMap contributors

Source records

This activity is assembled from 8 catalogued encounters on Happywhale.

Sighting records from Happywhale, published as occurrence data via GBIF. Individual records are licensed CC0 1.0, CC BY 4.0 or CC BY-NC 4.0, depending on the contributor.

The photographs and fluke identifications behind every sighting are the work of the contributing observers — the citizen scientists, naturalists and operators who logged them, each named in the underlying GBIF occurrence record. Every activity links out to its source encounters on Happywhale. Basemaps © OpenStreetMap contributors (ODbL).

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Breach is an independent project. It is not affiliated with, nor endorsed by, Happywhale or GBIF.